kernel/shared_memory: Remove unused core/memory.h include

Nothing from this header is used, so we can remove this include, getting
rid of a dependency on it.

src/core/hle/kernel/shared_memory.cpp

@@ -9,7 +9,6 @@
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/shared_memory.h"
-#include "core/memory.h"
 
 namespace Kernel {